3a thread class right-hand flush countersunk head style 0.620" grip length 20 thread quantity per inch 95000 single pounds per square inch shear strength grit blast top of heads; o-ring, synthetic rubber per mil-r-6855, class 1, 2, and 3, and mil-r-3065, class SB612e, temperature range-70 deg to 225 deg f unjf thread series
3a thread class right-hand flush countersunk head style 0.995" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength grit blast top of heads; o-ring, synthetic rubber per mil-r-6855, class 1, 2, and 3, and mil-r-3065, class SB612e, temperature range-70 deg to 225 deg f unjf thread series
3a thread class right-hand flush countersunk head style 0.870" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength grit blast top of heads; o-ring, synthetic rubber per mil-r-6855, class 1, 2, and 3, and mil-r-3065, class SB612e, temperature range-70 deg to 225 deg f unjf thread series
3a thread class right-hand flush countersunk head style 1.120" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength grit blast top of heads; o-ring, synthetic rubber per mil-r-6855, class 1, 2, and 3, and mil-r-3065, class SB612e, temperature range-70 deg to 225 deg f unjf thread series
3a thread class right-hand flush countersunk head style 0.620" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength grit blast top of heads; o-ring, synthetic rubber per mil-r-6855, class 1, 2, and 3, and mil-r-3065, class SB612e, temperature range-70 deg to 225 deg f unjf thread series
3a thread class right-hand 0.276" thread length flat countersunk head style 3.865" grip length 32 thread quantity per inch cadmium surface treated unjc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.287 mils grip length 33000 single pounds per square inch shear strength anodize surface treated
Used on f100pw0229 engine. 3a thread class right-hand 0.440" thread length double hexagon w/hole head style 0.042" hole diameter 32 thread quantity per inch center hole in top of head 0.090/0.110 in. dia x 0.128 in. nom deep unjf thread series
Used on aircraft model h-46. 3a thread class right-hand 0.861" thread length hexagon extended washer head style 1.625" grip length 24 thread quantity per inch cadmium surface treated unjf thread series